FROM K20a.org


basically to do a swap your looking at Minimum:
$3500-$5500: k20a engine
$575-$650: Hasport engine mount
$350-$399: Axles
$350-$399.00: refabricated hasport header
$300: wiring harness
$575: hondata ecu

To keep your AC:
$81.28: EP3 belt
$92.25: EP3 Bracket w/pulley

You will need these parts to accomplish various tasks as well:
Golden eagle rail $125.00
Fuel Lines $225.00
Fuel Regulator $200.00
Shifter Box (aj racing) $125.00
AEM intake RSX $225.00
Shifter cables $355.24
Throttle cable $25.38
Shifter linkage Clips $11.10
3 Bracket 31175-pra-000 $39.96
7 Pulley 31190-pra-000 $22.61
5 Bearing 31185-pcx-003 $5.14
12 Bolt 10 by 25 90031-pra-000 $1.48
Thermo unit $21.85
97 cable $22.53
Switch Coolant $25.99


i dont even think thats the full list